WO2008059847A1 - Système de circuit électrique/électronique avec élément en verre conducteur - Google Patents

Système de circuit électrique/électronique avec élément en verre conducteur Download PDF

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Publication number
WO2008059847A1
WO2008059847A1 PCT/JP2007/072033 JP2007072033W WO2008059847A1 WO 2008059847 A1 WO2008059847 A1 WO 2008059847A1 JP 2007072033 W JP2007072033 W JP 2007072033W WO 2008059847 A1 WO2008059847 A1 WO 2008059847A1
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WO
WIPO (PCT)
Prior art keywords
conductive glass
electronic circuit
electrical
circuit system
glass member
Prior art date
Application number
PCT/JP2007/072033
Other languages
English (en)
Japanese (ja)
Inventor
Kazumi Manabe
Akira Morishige
Takeshi Manabe
Mitsugi Matsushita
Kenichi Kobayashi
Original Assignee
Tokai Industry Corp.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/JP2007/065400 external-priority patent/WO2008059641A1/fr
Application filed by Tokai Industry Corp. filed Critical Tokai Industry Corp.
Priority to US12/514,707 priority Critical patent/US20100027178A1/en
Priority to JP2008544157A priority patent/JPWO2008059847A1/ja
Priority to EP07831763A priority patent/EP2117096A4/fr
Publication of WO2008059847A1 publication Critical patent/WO2008059847A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/12—Silica-free oxide glass compositions
    • C03C3/122—Silica-free oxide glass compositions containing oxides of As, Sb, Bi, Mo, W, V, Te as glass formers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
    • C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/14—Compositions for glass with special properties for electro-conductive glass

Definitions

  • the present invention relates to an electric / electronic circuit system including a conductive glass member (for example, conductive vanadate glass) as an electric / electronic material.
  • a conductive glass member for example, conductive vanadate glass
  • the conductive vanadate glass containing vanadium pentoxide will be described as an example.
  • the glass containing vanadium is usually ion-conductive (usually an electrically insulating material) and an oxide-based glass. In contrast, it has electron conductivity based on hopping of extranuclear electrons. This mechanism shows relatively high electrical conductivity.
  • the said conductive glass can contain potassium oxide and sodium oxide as a 2nd component.
  • Patent Documents 1 and 1). In recent years, in order to further improve the electrical conductivity of the conductive vanadate glass at room temperature, a technique of adding barium and iron as auxiliary components has been proposed (Patent Documents 1 and 1). 2). Conductive vanadate glasses according to the literature, vanadium, an oxide-based glass compositions containing barium ⁇ beauty iron, electric conductivity at the room temperature 10_ 4 ⁇ ; a 10- 'cm- 1. With regard to the highly conductive glass, new applications such as electrode materials, solid electrolytes, thermistors and other sensors have been proposed!
  • Patent Document 3 describes a plasma generator used for film formation by etching or sputtering deposition, in which conductive vanadate glass is processed by focused ion beam (FIB) irradiation or laser beam irradiation. Electrodes have been proposed.
  • Patent Document 1 JP 2003-34548
  • Patent Document 2 JP 2004-2181
  • Patent Document 3 JP 2006-248867
  • the present inventors have advanced research on the use of conductive glass such as this conductive vanadate glass for electrical and electronic materials.
  • the present inventors when energized through an electrical / electronic material made of conductive glass, have a certain amount of force that is such that the current flowing through the glass slightly increases even if the voltage is initially increased.
  • the behavior changes from the voltage, and in addition to a sudden increase in current as the voltage rises, the temperature of the conductive glass gradually increases due to heat generation even under a constant voltage, and the current gradually increases accordingly.
  • the present inventors have found that there is a condition that the glass, which is an electrical / electronic material, melts due to the sudden increase in current.
  • this conductive glass has extremely excellent processability.
  • nano-sized microfabrication is possible by applying focused ion beam processing. Even if it is applied, the function of the electronic member may be lost by slight melting.
  • an object of the present invention is to provide means for preventing the electrical / electronic material itself from functioning or deteriorating when the conductive glass is used as the electrical / electronic material.
  • the present invention (1) is characterized in that an electrical / electronic circuit system is provided with a conductive glass member and overcurrent preventing means for preventing overcurrent in the conductive glass member. Electric / electronic circuit system.
  • the present invention (2) is the electrical and electronic circuit system according to the invention (1), wherein the overcurrent prevention means is a resistor connected in series with the conductive glass member.
  • the resistance value is equal to or greater than a first value obtained by dividing the predetermined voltage by an allowable current of the conductive glass member, or the conductive glass member from the first value.
  • the electrical / electronic circuit system further includes applied voltage variable means capable of changing a voltage that can be applied to the conductive glass member within a predetermined range, Is the electric / electronic circuit system of the invention (3) or (4), wherein is the maximum voltage within the predetermined range.
  • the present invention (6) is the electrical and electronic circuit system according to the invention (1), wherein the overcurrent preventing means is a protective resistance element connected in series with the conductive glass member.
  • the present invention (7) is the electrical / electronic circuit system according to the invention (6), in which the protective resistance element is a resistance element having a positive temperature characteristic.
  • the overcurrent prevention means detects a current flowing through the conductive glass member, and a current flowing through the conductive glass member based on the detected current information.
  • the electric / electronic circuit system according to the invention (1) which is a current control means for controlling or cutting the current.
  • the overcurrent preventing means controls the current flowing through the conductive glass member based on temperature detection means for detecting the temperature of the conductive glass member and the detected temperature information.
  • the electrical / electronic circuit system according to the invention (1) is a current control means for cutting.
  • the present invention is the member according to any one of the inventions (1) to (9), wherein the conductive glass member is a member precisely processed by conductive glass partial force S ion beam irradiation or laser beam irradiation. Or one electric / electronic circuit system.
  • the present invention (11) is the electrical / electronic circuit system according to any one of the inventions (1) to (; 10), wherein the conductive glass is a conductive vanadate glass. is there.
  • the present invention (12) is an electrical / electronic component or an electrical / electronic product in which the electrical / electronic component is incorporated.
  • the electrical / electronic circuit system according to any one of the inventions (1) to (; 11). It is.
  • conductive glass The electric conductivity refers to the glass at least 1 X 10- ld S / cm (preferably at least 1 X 10- 9 S / cm, more preferably at least l X 10_ 7 S / cm) it is.
  • the “conductive glass” include ion conductive glass, electron conductive glass, and mixed conductive glass in which the two types of conductivity coexist.
  • the “ion conducting glass” is not particularly limited. For example, Agl—AgO—BO, Agl—AgO—PO, Agl—AgO—WO, LiCl—Li
  • Electrode conducting glass examples include valence electrons.
  • Examples thereof include hopping conductive glass and band gap conductive glass. Although it does not specifically limit as a valence electron hopping conductive glass, The glass containing vanadate is mentioned.
  • the band gap conductive glass is not particularly limited, and examples thereof include chalcogenide glasses such as Ge—Te—S, Ge—Te—Se, and Ge—Te—Sb.
  • the “mixed conduction type glass” is not particularly limited, but is a glass containing vanadate, Agl and AgO (Japanese Patent Laid-Open No. 2004-2006).
  • a glass containing vanadate is particularly preferable.
  • the “conductive glass member” is not particularly limited as long as it has conductive glass as a conductive portion.
  • it may be a member made of only conductive glass or a composite member with another material.
  • Electrical 'electronic circuit means an electric circuit (strong electric) and / or an electronic circuit (weak electric).
  • the “system” is not particularly limited as long as it is a “material” having a conductive glass member and overcurrent prevention means, and includes, for example, an electric / electronic component and an electric / electronic product having the electric / electronic component. be able to.
  • the “overcurrent prevention means” is not particularly limited as long as it has a function of preventing overcurrent that may cause melting of the conductive glass member as a result of the combination of a single element or a plurality of elements.
  • a resistor or a protective resistance element can be cited as a device that exhibits a function.
  • a current detection means + current control means or a temperature detection means + current control means can be used as a combination of a plurality of elements. Can be mentioned.
  • the electrical electronic circuit system according to the present invention will be described in detail by taking conductive vanadate glass as an example of the conductive glass.
  • the technical scope of the present invention is not limited to conductive vanadate glass.
  • the electric / electronic circuit system according to the present invention is electrically conductive as an electric / electronic material in the electric-electronic circuit. Vanadate glass member and the member And overcurrent preventing means for preventing overcurrent in the apparatus.
  • the “electric / electronic material made of conductive vanadate glass” and “overcurrent prevention means” constituting this electric / electronic circuit system will be described.
  • the “electrical / electronic material made of conductive vanadate glass” uses conductive vanadate glass as a material.
  • the raw material component “raw material composition” manufacturing method of the “conductive vanadate glass” will be described in detail.
  • This conductive glass is the same as the glass described in Patent Documents 1 to 3. Therefore, for detailed conditions not described in this specification, refer to the description of these specifications.
  • the "conductive vanadate glass” is not particularly limited as long as it is a conductive glass containing vanadate.
  • vanadium, barium and vanadium are preferable because they are highly conductive.
  • An oxide-based glass composition containing iron is preferable.
  • vanadium is a constituent element for forming the main skeleton of oxide-based glass, and its oxidation number changes to 2, 3, 4, 5, etc., increasing the probability that electrons hop. be able to.
  • norium is a constituent element added to make a two-dimensional vanadium oxide glass skeleton three-dimensional.
  • iron is a component for adjusting electrical conductivity. By changing this amount, it is possible to control the electrical conductivity.
  • the vanadium oxide content in the vanadate glass is preferably in the range of 0.1 to 98 mol%, more preferably in the range of 40 to 98 mol%. is there.
  • the barium oxide content in the vanadate glass is preferably in the range of 1 to 40 mol%.
  • the content of iron oxide in the vanadate glass is preferably in the range of 1 to 20 mol%.
  • the molar ratio (B: V) of barium oxide (B) to vanadium oxide (V) is preferably 5:90 to 35:50.
  • the molar ratio (F: V) of iron oxide (F) to vanadium oxide (V) is preferably 5:90 to 15:50.
  • the composition is not limited to the above range because it varies depending on the type and application of the electrical and electronic materials.
  • the conductive vanadate glass may contain rhenium.
  • rhenium is excellent in conductivity (and the oxidation number can be changed, so that the electron hopping effect can be enhanced), so that the electrical conductivity of the vanadate glass can be further increased.
  • the glass transition temperature and crystallization temperature can be set within a predetermined range, The annealing process can be facilitated.
  • the amount in the composition is preferably;
  • the conductive vanadate glass is composed of other glass components such as calcium oxide, sodium oxide, potassium oxide, barium oxide, boron oxide, strontium oxide, zirconium oxide, silver oxide, silver iodide. , Lithium oxide, lithium iodide, cesium oxide, sodium iodide, indium oxide, tin oxide and the like may be contained.
  • lO ⁇ S′cnT 1 or less is preferable.
  • the electrical conductivity in this specification refers to the volume resistivity measured by the four probe method.
  • a dilute component ⁇ preferably is, SiO (60 to 70 mole 0/0), PO (10 to 20 mole 0/0), Al O ( 2 ⁇ ; 10 mole 0/0)
  • the conductive vanadate glass is obtained by melting and quenching a mixture containing vanadium oxide, barium oxide and iron oxide (optionally rhenium oxide) to obtain the glass composition. Even if it is above the glass transition temperature, below the crystallization temperature, or above the crystallization temperature, it can be produced by holding it at the annealing treatment temperature below the softening point temperature for a predetermined time.
  • vanadium oxide 50-90 mole 0/0, barium oxide 5-35 mole 0/0, iron 5-2 5 mixture comprising mole percent (by oxide, rhenium relative to the mixture 100 weight% 1 to 10% added) is heated and melted in a platinum crucible or the like, and then rapidly cooled to vitrify, and the vitrified product is heat-treated under predetermined annealing conditions.
  • the raw material component, raw material composition, and manufacturing method of the "conductive vanadate glass” have been described above.
  • the "electrical / electronic material” made of the conductive vanadate glass will be described. I will explain.
  • the “electrical / electronic material” is not particularly limited as long as it is a material used for electric / electronic parts, etc.
  • a sensor for example, a potential sensor
  • a light bulb for example, a light bulb
  • electrodes having polarity at both ends corona discharge, and the like.
  • a discharge needle used for plasma discharge or the like are examples of a discharge.
  • an example of the electrical / electronic material is a precisely processed conductive glass member obtained by subjecting the conductive glass to ion beam irradiation or laser beam irradiation.
  • the material is used as an electric / electronic material, there are the following merits.
  • metal is used as the material, there is a problem that it is easy to oxidize or rusts when there is a lot of moisture.
  • electric / electronic not only can it be used as a material, it also has a long life.
  • the present inventors have confirmed that the conductive vanadate glass has remarkably good workability when compared with other materials (metal, other conductive glass). . Specifically, it has been confirmed that the conductive vanadate glass has unmatched processing performance for laser processing and concentrated ion beam (FIB) processing as well as mechanical polishing processing. In particular, the FIB processing characteristics that are indispensable for microfabrication were outstanding. For example, regarding processing time, when FIB processing is performed, processing time is 10 to 10,000 times faster than metal. As for fineness, when FIB processing is performed, the limit of fineness to metal is about 1 ⁇ m, whereas in the case of the conductive vanadate glass, it is several hundred nm or more.
  • the conductive vanadate glass is used as an “electrode”, the glass is amorphous. In addition to being able to constantly apply stable power without wear, microfabrication is possible, so it is possible to increase the discharge efficiency by narrowing the gap. Further, when the conductive vanadate glass is used as a “discharge needle”, in addition to excellent durability and low price, it is excellent in that it does not generate dust.
  • the conductive vanadate glass is effective for a wide range of applications (electrical / electronic materials) ranging from centimeters to nanometers.
  • conductive glass for example, conductive vanadate glass
  • this conductive glass shows a behavior that when the voltage rises, the current increases rapidly according to the characteristics of each conductive glass.
  • the present inventors have discovered that glass loses its function as an electric / electronic material due to melting. If it has such a property, there is a concern that electrical and electronic products may fail or become unusable due to fluctuations in the usage and usage conditions.
  • FIG. 1 shows a form in which a resistor 2a or a protective resistance element 2b is installed in series with a conductive glass member 1 in an electric / electronic circuit (first Best mode).
  • Fig. 1 (a) shows an example in which the conductive glass member 1 and the resistor 2a or the protective resistance element 2b exist in one circuit, and Fig.
  • the protective resistance element 2b may be any conventional type, but is preferably a resistance element having positive temperature characteristics. When such a resistance element is used, if an overcurrent flows in the electrical / electronic material to be protected, the resistance value of the resistance element connected to this circuit increases rapidly due to the overcurrent. It works to limit.
  • Examples of the resistance element include a low resistance PTC (Positive Tern Perature Coefficient) element, which is known as an element that protects a circuit element from an overcurrent generated in an electric / electronic circuit.
  • the constant voltage power supply may be a variable voltage power supply, or the variable voltage power supply may be a constant voltage power supply. (The same applies to the following figures).
  • FIG. 1 (c) and FIG. 1 (d) show specific application examples of this embodiment.
  • FIG. 1 (c) shows an example of a system in which conductive glass members 1 having different resistance values are combined to form a temperature sensor.
  • the contact portion C of the conductive glass member 1 having a different resistance value becomes a part of the temperature sensor.
  • a power source is not provided, but the temperature sensor unit serves as a power source, and a current corresponding to the temperature flows through the system.
  • the current meter measures this current and displays the temperature corresponding to the current.
  • the resistor 2a or the protective resistance element 2b selects a resistance value in accordance with a small-capacity limiting current through which the current of the both conductive glass members 1/1 flows.
  • FIG. 1 (d) shows a system example using the conductive glass 1 as a discharge electrode.
  • the applied voltage is 2kV at the maximum and the allowable current of the conductive glass is 10mA, Set to 200 ⁇ .
  • the voltage applied to the conductive glass member of the system is mostly variable. Therefore, when using a resistor as an overcurrent prevention means, the overcurrent can be prevented no matter what voltage is applied by determining the resistance value according to the following formula based on the voltage width that can be applied. it can.
  • the resistance value may be a value obtained by subtracting the resistance value of the conductive glass member from the above resistance value.
  • the resistance value of the conductive glass member is determined by using the conductive glass member, the DC two-terminal method, the DC four-terminal method, or the AC four-terminal method (when the electrical conductivity value is 1 X 10—ss' cm 1 or more). Apply to the value obtained at room temperature (25 ° C).
  • an electrode is made by fixing a lead wire to the glass surface using a molten metal silver paste.
  • the current is multiplied by a certain safety factor (for example, 1/2 of the allowable current) in consideration of the performance variation between products rather than the current flowing to the limit of the allowable current. It is preferred to remove the maximum voltage.
  • the resistance value may be larger, but the resistance value should satisfy the following formula so as not to hinder the use.
  • the lower limit of the resistance value may be a resistance value obtained by subtracting the resistance value of the conductive glass member from the above resistance value! /.
  • the applied voltage is 2kV at the maximum and the allowable current of the conductive glass is 10mA
  • select a resistance value of 2KV / 10mA 200KQ or more.
  • the “maximum voltage” refers to the maximum voltage that can be applied to a conductive glass member incorporated in the electric / electronic circuit system.
  • the allowable value of the voltage is not particularly limited, and stable operation can be achieved by configuring the circuit resistance so as not to exceed the allowable current.
  • the allowable current of the conductive glass member can be measured by the following method. First, a conductive glass member to be measured (a member having the same shape and size as that actually used) is prepared. Next, the conductive glass member is connected to the test circuit so that the voltage is applied at the same position as in actual use. In accordance with the temperature test specified in JIS C 4604.
  • the conditions were such that the temperature of the conductive glass was set to room temperature in an atmosphere of room temperature (25 ° C), and the current value was appropriately changed without the rated current.
  • the current and temperature of the conductive glass part are measured, and the initial current value at which the temperature rise per minute is 25 ° C or higher under the condition of constant voltage application is the “allowable current”.
  • “Necessary minimum current” refers to the minimum current required to perform a desired function when the system is incorporated into an electrical / electronic product.
  • FIG. 2 shows a conductive glass member 1 as an electrical electronic material, current detection means 3 for detecting a current flowing through the conductive glass member 1, and the current in the electrical electronic circuit system.
  • the current control means 4 is installed to control or cut the current flowing through the conductive glass member below the predetermined value ( Second best mode).
  • the current detection means 3 is the conductive glass portion. As long as the current flowing through the material 1 can be detected, it may be installed in any type and at any position.
  • the current control means 4 is configured to increase the resistance value in the circuit in order to decrease the current or to decrease the voltage itself when the detected current exceeds a predetermined value. Also good.
  • FIG. 1 shows a conductive glass member 1 as an electrical electronic material, current detection means 3 for detecting a current flowing through the conductive glass member 1, and the current in the electrical electronic circuit system.
  • the current control unit 4 performs control so as to decrease the voltage of the variable voltage power supply P when it is determined that the current detected by the current detection unit 3 exceeds a predetermined value.
  • the predetermined value of current is, for example, the allowable current value of the conductive glass described above.
  • FIG. 3 shows a conductive glass member 1 as an electrical electronic material, temperature detection means 5 for detecting the temperature of the conductive glass member 1, and the temperature detection in the electrical electronic circuit system.
  • a current control means 6 for reducing or cutting the current flowing through the conductive glass member is installed when the temperature detected by the means 5 exceeds a predetermined temperature.
  • the temperature detection means 5 may be of any type as long as the temperature of the conductive glass member 1 can be detected.
  • the current control means 6 may be configured to increase the resistance value in the circuit in order to decrease the current or to decrease the voltage itself when the detected temperature exceeds a predetermined value. Good.
  • the current control unit 4 performs control so as to decrease the voltage of the variable voltage power supply P when it is determined that the temperature detected by the temperature detection unit 5 exceeds a predetermined value.
  • the predetermined temperature is not particularly limited as long as it is equal to or lower than a temperature causing thermal runaway, and is, for example, 50 ° C.
  • an electrode composed of a conductive vanadate glass member (glass transition point: 397 ° C, electric conductivity: 7 ⁇ 3 X 10 — 3 S / cm) by the same method as in Example 3 of JP-A-2006-248867 Manufactured.
  • an electric / electronic circuit system with this electrode attached was constructed, a voltage was applied to both ends of the electrode, and the voltage was gradually increased.
  • Fig. 4 Here, in FIG. 4, the vertical axis represents current, and the horizontal axis represents voltage. As a result, as shown in Fig. 4, the current gradually increases as the voltage rises, but the current increase gradient suddenly increases near the voltage exceeding 40 V (thermal runaway), but not shown in the figure.
  • a plasma generator or light-emitting device for example, when a scheduled electric-electronic circuit system is manufactured by applying a DC voltage of 40 V, the current control is reduced to 10 mA or less in series with the electric / electronic circuit system. An ⁇ resistive element was connected. As a result, stable plasma generators and light emitting devices can be manufactured.
  • a 40V DC voltage is applied to produce a planned electric-electronic circuit system.
  • An ⁇ resistive element was connected.
  • a system that can control the current in one part of the circuit was equipped with a circuit that detects the current flowing through the resistor. As a result, stable plasma generators and light emitting devices can be manufactured.
  • FIG. 1 shows an electric / electronic circuit system according to a first best mode in which a resistor 2a or a protective resistance element 2b is installed in series with a conductive glass member 1 in an electric / electronic circuit. It is.
  • FIG. 2 shows an electric / electronic circuit system according to the second best mode in which a conductive glass member 1, a current detection means 3, and a current control means 4 are installed in the electric / electronic circuit system. is there.
  • FIG. 3 shows an electric / electronic circuit system according to the third best mode in which a conductive glass member 1, a temperature detecting means 5, and a current control means 6 are installed in an electric / electronic circuit system. is there.
  • FIG. 4 is a diagram showing changes in the current flowing in the system and the temperature of the conductive glass member 1 when the voltage is changed in the electrical / electronic circuit system in the example.
  • FIG. 5 is a diagram showing changes in the current flowing in the system and the temperature of the conductive glass member 1 when the voltage is set to 10 V in the electrical / electronic circuit system in the example. .
  • Fig. 6 is a diagram showing a change in current value and a change in temperature of a conductive glass member in an example under a voltage of 30V.
  • FIG. 7 is a diagram showing changes in the current value and temperature of the conductive glass member in the example under a voltage of 35V.
  • FIG. 8 is a diagram showing changes in the current value and temperature of the conductive glass member in the example under a voltage of 40V.
  • FIG. 9 is a diagram showing a change in current value and a change in temperature of a conductive glass member in an example under a voltage of 45V.
  • FIG. 10 is a diagram showing changes in the current value and temperature of the conductive glass member in the example under a voltage of 50V.

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  • Life Sciences & Earth Sciences (AREA)
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Abstract

L'invention a pour objet de proposer un moyen pour éviter que la fonction d'un matériau électrique/électronique ne soit annulée ou diminuée lorsqu'un verre conducteur est utilisé en tant que matériau électrique/électronique. L'invention propose un système de circuit électrique/électronique caractérisé en ce qu'il comporte un élément de verre conducteur et des moyens de prévention de surintensité de courant inclus dans l'élément en verre conducteur.
PCT/JP2007/072033 2006-11-13 2007-11-13 Système de circuit électrique/électronique avec élément en verre conducteur WO2008059847A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/514,707 US20100027178A1 (en) 2006-11-13 2007-11-13 Electric/electronic circuit system with conductive glass member
JP2008544157A JPWO2008059847A1 (ja) 2006-11-13 2007-11-13 導電性ガラス部材を備えた電気・電子回路システム
EP07831763A EP2117096A4 (fr) 2006-11-13 2007-11-13 Systeme de circuit electrique/electronique avec element en verre conducteur

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006306648 2006-11-13
JP2006-306648 2006-11-13
JPPCT/JP2007/065400 2007-08-07
PCT/JP2007/065400 WO2008059641A1 (fr) 2006-11-13 2007-08-07 Système de circuit électrique/électronique avec un élément de verre conducteur

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009014179A1 (fr) * 2007-07-25 2009-01-29 Tokai Industry Corp. Verres en vanadate conducteur s'empoussiérant moins et hautement résistants au jaunissement et procédé pour la production de ceux-ci

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